1
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Khan AAP, Raizada P, Singh P, Khan A, Ansari MO, Alotaibi MM. A Z-scheme photocatalysis for phenol eradication from water using peroxymonosulfate activation Ag/AgBr/SCN nanocomposite. J Taiwan Inst Chem Eng 2023. [DOI: 10.1016/j.jtice.2023.104722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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2
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Tang J, Meng R, Xue Y, Deng X, Li Q. Enhanced photocatalytic degradation of tetracycline hydrochloride by Ag/AgI/WO
3
·H
2
O composites. ASIA-PAC J CHEM ENG 2022. [DOI: 10.1002/apj.2756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jianke Tang
- School of Chemical Engineering and Technology North University of China Taiyuan China
- Department of Chemistry and Chemical Engineering Taiyuan Institute of Technology Taiyuan China
| | - Rongqian Meng
- School of Chemical Engineering and Technology North University of China Taiyuan China
- Department of Chemistry and Chemical Engineering Taiyuan Institute of Technology Taiyuan China
| | - Yanfeng Xue
- Department of Chemistry and Chemical Engineering Taiyuan Institute of Technology Taiyuan China
| | - Xiaoli Deng
- School of Chemical Engineering and Technology North University of China Taiyuan China
| | - Qiaoling Li
- School of Chemical Engineering and Technology North University of China Taiyuan China
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3
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Tang J, Meng R, Xue Y, Zhang S, Li Q. Fabrication of a novel Ag3PO4/WO3·H2O composite with enhanced visible light photocatalytic performance for the degradation of methylene blue and oxytetracycline. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108792] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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4
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Li P, Gao S, Liu Q, Ding P, Wu Y, Wang C, Yu S, Liu W, Wang Q, Chen S. Recent Progress of the Design and Engineering of Bismuth Oxyhalides for Photocatalytic Nitrogen Fixation. ADVANCED ENERGY AND SUSTAINABILITY RESEARCH 2021. [DOI: 10.1002/aesr.202000097] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Peishen Li
- Laboratory for Micro-sized Functional Materials College of Elementary Education Department of Chemistry Capital Normal University Beijing 100048 China
- Beijing Innovation Center for Engineering Science and Advanced Technology (BIC-ESAT) Key Laboratory of Water and Sediment Sciences (Ministry of Education) College of Environmental Sciences and Engineering Peking University Beijing 100871 China
| | - Shuai Gao
- Laboratory for Micro-sized Functional Materials College of Elementary Education Department of Chemistry Capital Normal University Beijing 100048 China
| | - Qiming Liu
- Department of Chemistry and Biochemistry University of California 1156 High Street Santa Cruz CA 95064 USA
| | - Peiren Ding
- Laboratory for Micro-sized Functional Materials College of Elementary Education Department of Chemistry Capital Normal University Beijing 100048 China
| | - Yunyun Wu
- Laboratory for Micro-sized Functional Materials College of Elementary Education Department of Chemistry Capital Normal University Beijing 100048 China
| | - Changzheng Wang
- Beijing Key Laboratory of Functional Materials for Building Structure and Environmental Remediation Beijing University of Civil Engineering and Architecture Beijing 100044 China
| | - Shaobin Yu
- Beijing Key Laboratory of Functional Materials for Building Structure and Environmental Remediation Beijing University of Civil Engineering and Architecture Beijing 100044 China
| | - Wen Liu
- Beijing Innovation Center for Engineering Science and Advanced Technology (BIC-ESAT) Key Laboratory of Water and Sediment Sciences (Ministry of Education) College of Environmental Sciences and Engineering Peking University Beijing 100871 China
| | - Qiang Wang
- Laboratory for Micro-sized Functional Materials College of Elementary Education Department of Chemistry Capital Normal University Beijing 100048 China
| | - Shaowei Chen
- Department of Chemistry and Biochemistry University of California 1156 High Street Santa Cruz CA 95064 USA
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5
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Enhanced Photodegradation of Synthetic Dyes Mediated by Ag3PO4-Based Semiconductors under Visible Light Irradiation. Catalysts 2020. [DOI: 10.3390/catal10070774] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Four silver phosphate-based materials were successfully synthesized, characterized, and evaluated, together with TiO2, in the photodegradation of synthetic dyes (tartrazine, Orange II, rhodamine, and Brilliant Blue FCF) under two irradiation sources centered at 420 and 450 nm. Scanning Electron Microscopy (SEM) images showed different topologies of the synthesized materials, whereas diffuse reflectance spectra demonstrated that they display absorption up to 500 nm. Degradation experiments were performed in parallel with the silver materials and TiO2. Upon irradiation centered at 420 nm, the abatement of the dyes was slightly more efficient in the case of TiO2—except for Orange II. Nevertheless, upon irradiation centered at 450 nm, TiO2 demonstrated complete inefficiency and silver phosphates accomplished the complete abatement of the dyes—except for Brilliant Blue FCF. A careful analysis of the achieved degradation of dyes revealed that the main reaction mechanism involves electron transfer to the photogenerated holes in the valence band of silver photocatalysts, together with the direct excitation of dyes and the subsequent formation of reactive species. The performance of TiO2 was only comparable at the shorter wavelength when hydroxyl radicals could be formed; however, it could not compete under irradiation at 450 nm since the formed superoxide anion is not as reactive as hydroxyl radicals.
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6
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Squarcina A, Santoro A, Hickey N, De Zorzi R, Carraro M, Geremia S, Bortolus M, Di Valentin M, Bonchio M. Neutralization of Reactive Oxygen Species at Dinuclear Cu(II)-Cores: Tuning the Antioxidant Manifold in Water by Ligand Design. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01955] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
| | | | - Neal Hickey
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via Licio Giorgieri 1, 34127 Trieste, Italy
| | - Rita De Zorzi
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via Licio Giorgieri 1, 34127 Trieste, Italy
| | | | - Silvano Geremia
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via Licio Giorgieri 1, 34127 Trieste, Italy
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7
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Sanni S, Viljoen E, Ofomaja A. Design of ordered Ag/AgBr nanostructures coupled activated carbon with enhanced charge carriers separation efficiency for photodegradation of tetracycline under visible light. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2019.112032] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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8
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Fabrication of AgBr/La2Ti2O7 hierarchical heterojunctions: Boosted interfacial charge transfer and high efficiency visible-light photocatalytic activity. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.115798] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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9
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Chen Y, Zhao C, Ma S, Xing P, Hu X, Wu Y, He Y. Fabrication of a Z-scheme AgBr/Bi4O5Br2 nanocomposite and its high efficiency in photocatalytic N2 fixation and dye degradation. Inorg Chem Front 2019. [DOI: 10.1039/c9qi00782b] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Z-scheme AgBr/Bi4O5Br2 nanocomposite was synthesized via a simple ion-exchange method and firstly applied in photocatalytic N2 fixation under simulated sunlight.
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Affiliation(s)
- Yijing Chen
- Department of Materials Science and Engineering
- Zhejiang Normal University
- Jinhua
- China
| | - Chunran Zhao
- Department of Materials Science and Engineering
- Zhejiang Normal University
- Jinhua
- China
| | - Sanan Ma
- Department of Materials Science and Engineering
- Zhejiang Normal University
- Jinhua
- China
| | - Pingxing Xing
- Department of Materials Science and Engineering
- Zhejiang Normal University
- Jinhua
- China
| | - Xin Hu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Institute of Physical Chemistry
- Zhejiang Normal University
- Jinhua
- China
| | - Ying Wu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Institute of Physical Chemistry
- Zhejiang Normal University
- Jinhua
- China
| | - Yiming He
- Department of Materials Science and Engineering
- Zhejiang Normal University
- Jinhua
- China
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
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10
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Motaghed Mazhabi R, Ge L, Jiang H, Wang X. A label-free aptamer-based cytosensor for specific cervical cancer HeLa cell recognition through a g-C 3N 4-AgI/ITO photoelectrode. J Mater Chem B 2018; 6:5039-5049. [PMID: 32254533 DOI: 10.1039/c8tb01067f] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Facile and efficient detection of cancer cells in the early phases of the disease is one of the main challenges in cancer diagnostics. It has been found that photoactive materials and bio-recognition elements are two key factors in the development of promising photoelectrochemical (PEC) biosensors for cancer cell detection, which can play significant roles for realizing early cancer diagnostics with high sensitivity and selectivity. In this study, we designed a novel label-free PEC aptamer-based cytosensor for the specific detection of cancer cells such as HeLa cells by using water-dispersible g-C3N4-AgI nanocomposites as visible light-sensitive materials and anti-CEM/PTK7 aptamer as the bio-recognition element. It was observed that when a suitable amount of AgI nanoparticles was doped in two-dimensional graphite-like carbon nitride nano-sheets (g-C3N4 NSs), the visible light photocurrent response could be significantly improved. The PEC response of the as-prepared biosensor based on the g-C3N4-AgI/ITO photoelectrode was linearly proportional to the relevant cancer cells such as HeLa cells at concentrations ranging from 10 to 106 cells per mL with a limit of detection of 5 cells per mL. In addition, the g-C3N4-AgI/ITO photoelectrode and the fabricated cytosensor exhibited long-term stability, good reproducibility, excellent selectivity, and high sensitivity, demonstrating the successful conjugation of g-C3N4-AgI NSs with the aptamer and target cancer cells in the high performance PEC cytosensor.
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Affiliation(s)
- Robabeh Motaghed Mazhabi
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Laboratory), School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
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11
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Vaizoğullar Aİ. Double Effect Electron Transfer System in the AgBr/ZnO Composite with Enhanced Photocatalytic Degradation Performance against 3-Chlorophenol under Visible Light Irradiation. Photochem Photobiol 2018; 94:1225-1233. [PMID: 29981152 DOI: 10.1111/php.12977] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 06/25/2018] [Indexed: 11/29/2022]
Abstract
Visible light-driven novel and highly efficient AgBr/ZnO photocatalysts were synthesized by a facile precipitation and dehydration methods. The synthesized samples were characterized using scanning electron microscope (SEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), UV-Visible diffuse reflectance spectroscopy (UV-Vis DRS), and photoluminescence (PL) techniques. Within various combinations of AgBr and ZnO components in the composites, 1AgBr/ZnO showed higher photocatalytic activity against 3-chlorophenol (3-CP). UV-Vis DRS spectra showed that the absorbance of AgBr/ZnO was higher than pure ZnO in the visible light region. The PL results showed that efficient inhibition of the generated electron/hole pairs has occurred during the degradation process due to the formation of heterojunctions. The forming of metallic Ag0 by photogenerated electrons, which captures Ag+ ions, could act as an interfacial charge transmission bridge in the AgBr/ZnO composite. These results provided an important insight into the plasmonic Ag particles to obtain an efficient visible light-driven photocatalyst. In addition, the possible mechanism of charge transfers and separation of electron/hole pairs were also evaluated in detail.
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Affiliation(s)
- Ali İmran Vaizoğullar
- Vocational School Health Care, Medical Laboratory Programme, Muğla Sıtkı Kocman University, Muğla, Turkey
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12
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Zhang X, Wang C, Yu C, Teng B, He Y, Zhao L, Fan M. Application of Ag/AgBr/GdVO 4 composite photocatalyst in wastewater treatment. J Environ Sci (China) 2018; 63:68-75. [PMID: 29406118 DOI: 10.1016/j.jes.2017.06.020] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Revised: 05/27/2017] [Accepted: 06/15/2017] [Indexed: 06/07/2023]
Abstract
Ag/AgBr/GdVO4 composite photocatalysts were designed and synthesized in this paper. The physical and chemical structures, as well as optical properties of the synthesized composite were investigated via XRD, XPS, TEM, and UV-vis. It is found that the composite showed a ternary heterojunction structure of Ag, AgBr and GdVO4. Meanwhile, it has a high intensity of light current, indicating its high separation efficiency of electron and hole. Photocatalytic oxidation of rhodamine B (RhB) under visible light irradiation was performed to investigate the activity of the Ag/AgBr/GdVO4 composite. Result indicates that it shows excellent photocatalytic activity. Under visible light irradiation for 12min, about 80% of RhB (30μmol/L) was degraded. The degradation rate is estimated to be 0.253 min-1, which is three times higher than that of pure AgBr. The high photoactivity can be ascribed to the synergetic effect of AgBr, GdVO4, and Ag nanoparticle in separation of electron-hole pairs.
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Affiliation(s)
- Xin Zhang
- College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Chenghao Wang
- College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Chengxi Yu
- College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Botao Teng
- College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Yiming He
- Department of Materials Science and Engineering, Zhejiang Normal University, Jinhua 321004, China
| | - Leihong Zhao
- College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, China.
| | - Maohong Fan
- Department of Chemical & Petroleum Engineering, University of Wyoming, Laramie, WY, 82071, United States.
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13
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Crystal transformation of 2D tungstic acid H 2WO 4 to WO 3 for enhanced photocatalytic water oxidation. J Colloid Interface Sci 2017; 514:576-583. [PMID: 29294444 DOI: 10.1016/j.jcis.2017.12.066] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 12/21/2017] [Accepted: 12/24/2017] [Indexed: 01/23/2023]
Abstract
New photocatalytic materials for stable reduction and/or oxidization of water by harvesting a wider range of visible light are indispensable to achieve high practical efficiency in artificial photosynthesis. In this work, we prepared 2D WO3·H2O and WO3 nanosheets by a one-pot hydrothermal method and sequent calcination, focusing on the effects of crystal transformation on band structure and photocatalytic performance for photocatalytic water oxidation in the presence of electron acceptors (Ag+) under simulated solar light irradiation. The as-prepared WO3 nanosheets exhibit enhanced rate of photocatalytic water oxidation, which is 6.3 and 3.6 times higher than that of WO3·H2O nanosheets and commercial WO3, respectively. It is demonstrated that the releasing of water molecules in the crystal phase of tungstic acid results in transformation of the crystal phase from orthorhombic WO3·H2O to monoclinic WO3, significantly improving the activity of photocatalytic water oxidation in the presence of Ag+ because the shift-up of conduction band of WO3 matches well with the electrode potential of Ag+/Ag(s), leading to efficient separation of photoinduced electrons and holes in pure WO3 nanosheets.
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14
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Supporting of coupled silver halides onto clinoptilolite nanoparticles as simple method for increasing their photocatalytic activity in heterogeneous photodegradation of mixture of 4-methoxy aniline and 4-chloro-3-nitro aniline. J Colloid Interface Sci 2017; 490:478-487. [DOI: 10.1016/j.jcis.2016.11.087] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 11/20/2016] [Accepted: 11/24/2016] [Indexed: 11/22/2022]
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15
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Wang J, Xiao C, Wu X, Zhang G. Potassium Tantalate K6Ta10.8O30with Tungsten Bronze Structure and Its Photocatalytic Property. CHINESE J CHEM 2017. [DOI: 10.1002/cjoc.201600642] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Junting Wang
- School of Resources and Environmental Engineering; Wuhan University of Technology; Wuhan 430070 China
| | - Chun Xiao
- School of Resources and Environmental Engineering; Wuhan University of Technology; Wuhan 430070 China
| | - Xiaoyong Wu
- School of Resources and Environmental Engineering; Wuhan University of Technology; Wuhan 430070 China
| | - Gaoke Zhang
- School of Resources and Environmental Engineering; Wuhan University of Technology; Wuhan 430070 China
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16
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Purbia R, Paria S. An Au/AgBr–Ag heterostructure plasmonic photocatalyst with enhanced catalytic activity under visible light. Dalton Trans 2017; 46:890-898. [DOI: 10.1039/c6dt03723b] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient bimetallic–semiconductor (Au/AgBr–Ag) plasmonic heterostructure with plasmon enhanced absorption and plasmonic sensitization for visible light induced photocatalysis.
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Affiliation(s)
- Rahul Purbia
- Interfaces and Nanomaterials Laboratory
- Department of Chemical Engineering
- National Institute of Technology
- Rourkela 769 008
- India
| | - Santanu Paria
- Interfaces and Nanomaterials Laboratory
- Department of Chemical Engineering
- National Institute of Technology
- Rourkela 769 008
- India
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17
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Liu S, Zheng M, Chen R, Wang Z. One-pot synthesis of an AgBr/ZnO hierarchical structure with enhanced photocatalytic capacity. RSC Adv 2017. [DOI: 10.1039/c7ra03879h] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Hydrangea-like AgBr/ZnO photocatalysts with hierarchical structures and improved photocatalytic activity have been synthesized for the first time.
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Affiliation(s)
- Shengnan Liu
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Soochow
- China
| | - Min Zheng
- College of Textile and Clothing Engineering
- Soochow University
- Soochow
- China
| | - Rui Chen
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Soochow
- China
| | - Zuoshan Wang
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Soochow
- China
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18
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High performance of N-doped TiO2-magnetic activated carbon composites under visible light illumination: Synthesis and application in three-dimensional photoelectrochemical process. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.11.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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19
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In situ co-precipitation for the synthesis of an Ag/AgBr/Bi 5 O 7 I heterojunction for enhanced visible-light photocatalysis. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcata.2016.08.004] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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20
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Zhang H, Niu CG, Wen XJ, Wang Y, Zeng GM. Enhanced visible light photocatalytic activity of CdMoO4 microspheres modified with AgI nanoparticles. CATAL COMMUN 2016. [DOI: 10.1016/j.catcom.2016.08.029] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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21
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Zhang A, Zhang L, Lu H, Chen G, Liu Z, Xiang J, Sun L. Facile synthesis of ternary Ag/AgBr-Ag(2)CO(3) hybrids with enhanced photocatalytic removal of elemental mercury driven by visible light. JOURNAL OF HAZARDOUS MATERIALS 2016; 314:78-87. [PMID: 27135702 DOI: 10.1016/j.jhazmat.2016.04.032] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 03/28/2016] [Accepted: 04/13/2016] [Indexed: 05/05/2023]
Abstract
A novel technique for photocatalytic removal of elemental mercury (Hg(0)) using visible-light-driven Ag/AgBr-Ag2CO3 hybrids was proposed. The ternary Ag/AgBr-Ag2CO3 hybrids were synthesized by a simple modified co-precipitation method and characterized by N2 adsorption-desorption, scanning electron microscope (SEM), X-ray diffraction (XRD), UV-vis diffused reflectance spectroscopy (DRS), X-ray photoelectron spectroscopy (XPS) and electron spin resonance (ESR) techniques. The effects of AgBr content, fluorescent lamp (FSL) irradiation, solution temperature, SO2 and NO on Hg(0) removal were investigated in detail. Furthermore, a possible reaction mechanism for higher Hg(0) removal was proposed, and the simultaneous removal of Hg(0), SO2 and NO was studied. The results showed that a high efficiency of Hg(0) removal was obtained by using Ag/AgBr-Ag2CO3 hybrids under fluorescent lamp irradiation. The AgBr content, FSL irradiation, solution temperature, and SO2 all exhibited significant effects on Hg(0) removal, while NO had slight effect on Hg(0) removal. The addition of Ca(OH)2 demonstrated a little impact on Hg(0) removal and could significantly improve the SO2-resistance performance of Ag/AgBr(0.7)-Ag2CO3 hybrid. The characterization results exhibited that hydroxyl radical (OH), superoxide radical (O2(-)), hole (h(+)), and Br(0), were reactive species responsible for removing Hg(0), and the h(+) played a key role in Hg(0) removal.
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Affiliation(s)
- Anchao Zhang
- School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo, 454000, China.
| | - Lixiang Zhang
- School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo, 454000, China
| | - Hao Lu
- School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo, 454000, China
| | - Guoyan Chen
- School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo, 454000, China
| | - Zhichao Liu
- School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo, 454000, China
| | - Jun Xiang
- State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Lushi Sun
- State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan, 430074, China
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22
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Bi C, Cao J, Lin H, Wang Y, Chen S. Tunable photocatalytic and photoelectric properties of I−-doped BiOBr photocatalyst: dramatic pH effect. RSC Adv 2016. [DOI: 10.1039/c5ra22943j] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Dramatic effect of synthesis pH was discovered for expediently tuning photocatalytic and photoelectric properties of I−-doped BiOBr photocatalyst.
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Affiliation(s)
- Changjiang Bi
- College of Chemistry and Materials Science
- Huaibei Normal University
- Huaibei
- PR China
| | - Jing Cao
- College of Chemistry and Materials Science
- Huaibei Normal University
- Huaibei
- PR China
- Anhui Collaborative Innovation Center of Advanced Functional Composite
| | - Haili Lin
- College of Chemistry and Materials Science
- Huaibei Normal University
- Huaibei
- PR China
| | - Yunjian Wang
- College of Chemistry and Materials Science
- Huaibei Normal University
- Huaibei
- PR China
| | - Shifu Chen
- College of Chemistry and Materials Science
- Huaibei Normal University
- Huaibei
- PR China
- College of Chemistry and Materials Engineering
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23
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Jiang Z, Xie J. In situ growth of Ag/Ag2O nanoparticles on g-C3N4 by a natural carbon nanodot-assisted green method for synergistic photocatalytic activity. RSC Adv 2016. [DOI: 10.1039/c5ra22176e] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Novel visible-light-driven Ag/Ag2O@g-C3N4 hybrid materials were synthesized successfully via a green, facile hydrothermal treatment approach by reducing AgNO3 with carbon nanodots for the first time.
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Affiliation(s)
- Zhifeng Jiang
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
- Department of Chemical Engineering
| | - Jimin Xie
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
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24
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Yao S, Xue S, Zhang J, Shen X. Characterization and mechanism analysis of AgBr mixed cuboid WO3 rods with enhanced photocatalytic activity. RSC Adv 2016. [DOI: 10.1039/c6ra16442k] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The possible mechanisms for the formation of photocatalysts, enhanced photocatalytic properties and deactivation of the AgBr/m-WO3 were investigated, respectively.
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Affiliation(s)
- Shanshan Yao
- Institute for Advanced Materials
- College of Materials Science and Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Sikang Xue
- Institute for Advanced Materials
- College of Materials Science and Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
| | - Junhao Zhang
- School of Environmental and Engineering
- Jiangsu University of Science and Technology
- Zhenjiang
- P. R. China
| | - Xiangqian Shen
- Institute for Advanced Materials
- College of Materials Science and Engineering
- Jiangsu University
- Zhenjiang
- P. R. China
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25
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Ye H, Lin H, Cao J, Chen S, Chen Y. Enhanced visible light photocatalytic activity and mechanism of BiPO4 nanorods modified with AgI nanoparticles. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcata.2014.11.005] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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26
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Yin L, Wang Z, Lu L, Wan X, Shi H. Universal degradation performance of a high-efficiency AgBr/Ag2CO3 photocatalyst under visible light and an insight into the reaction mechanism. NEW J CHEM 2015. [DOI: 10.1039/c5nj00385g] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A AgBr/Ag2CO3 photocatalyst exhibited excellent photocatalytic activity and stability under visible light and a two-stage photocatalytic mechanism was proposed.
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Affiliation(s)
- Lu Yin
- Department of Environmental Engineering
- Zhejiang University
- Hangzhou
- P. R. China
| | - Zhen Wang
- Environmental Science Research & Design Institute of Zhejiang Province
- Hangzhou 310027
- P. R. China
| | - Lian Lu
- Department of Environmental Engineering
- Zhejiang University
- Hangzhou
- P. R. China
| | - Xiankai Wan
- Department of Environmental Engineering
- Zhejiang University
- Hangzhou
- P. R. China
| | - Huixiang Shi
- Department of Environmental Engineering
- Zhejiang University
- Hangzhou
- P. R. China
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27
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Mehraj O, Mir NA, Pirzada BM, Sabir S, Muneer M. In-situ anion exchange synthesis of AgBr/Ag2CO3 hybrids with enhanced visible light photocatalytic activity and improved stability. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.molcata.2014.07.027] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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28
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Li K, Dong C, Zhang Y, Wei H, Zhao F, Wang Q. Ag–AgBr/CaWO 4 composite microsphere as an efficient photocatalyst for degradation of Acid Red 18 under visible light irradiation: Affecting factors, kinetics and mechanism. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.molcata.2014.03.014] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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29
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Wang F, Liang L, Shi L, Liu M, Sun J. CO2-assisted synthesis of mesoporous carbon/C-doped ZnO composites for enhanced photocatalytic performance under visible light. Dalton Trans 2014; 43:16441-9. [DOI: 10.1039/c4dt02098g] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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30
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Fei BL, Yan QL, Wang JH, Liu QB, Long JY, Li YG, Shao KZ, Su ZM, Sun WY. Green Oxidative Degradation of Methyl Orange with Copper(II) Schiff Base Complexes as Photo-Fenton-Like Catalysts. Z Anorg Allg Chem 2014. [DOI: 10.1002/zaac.201300562] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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31
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Liu C, Lin H, Gao S, Yin P, Guo L, Huang B, Dai Y. AgI/AgCl/H2WO4Double Heterojunctions Composites: Preparation and Visible-Light Photocatalytic Performance. B KOREAN CHEM SOC 2014. [DOI: 10.5012/bkcs.2014.35.2.441] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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32
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Fei BL, Li W, Wang JH, Liu QB, Long JY, Li YG, Shao KZ, Su ZM, Sun WY. A novel 3D inorganic heteropoly blue as visible light responsive photocatalyst. Dalton Trans 2014; 43:10005-12. [DOI: 10.1039/c4dt00619d] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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33
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Tian X, Liu J, Wang H, Yan H. La2Ti2O7 nanoplates decorated with Cu2ZnSnS4 nanoparticles for enhanced visible-light-driven photocatalytic activity. CrystEngComm 2014. [DOI: 10.1039/c4ce01089b] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel Cu2ZnSnS4/La2Ti2O7 hetero-junction photocatalysts with high visible-light-driven photocatalytic activities were achieved by a green process.
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Affiliation(s)
- Xiaomeng Tian
- The College of Materials Science and Engineering
- Beijing University of Technology
- Beijing 100124, PR China
| | - Jingbing Liu
- The College of Materials Science and Engineering
- Beijing University of Technology
- Beijing 100124, PR China
| | - Hao Wang
- The College of Materials Science and Engineering
- Beijing University of Technology
- Beijing 100124, PR China
| | - Hui Yan
- The College of Materials Science and Engineering
- Beijing University of Technology
- Beijing 100124, PR China
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34
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Subash B, Krishnakumar B, Swaminathan M, Shanthi M. β-Ag2S–ZnO as a novel sunshine photocatalyst for the effective degradation of RR 120 dye. POWDER TECHNOL 2013. [DOI: 10.1016/j.powtec.2013.03.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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35
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Novel visible-light AgBr/Ag3PO4 hybrids photocatalysts with surface plasma resonance effects. J SOLID STATE CHEM 2013. [DOI: 10.1016/j.jssc.2013.03.013] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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36
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Zhou W, Cao M, Su S, Li N, Zhao X, Wang J, Li X, Hu C. A newly-designed polyoxometalate-based plasmonic visible-light catalyst for the photodegradation of methyl blue. ACTA ACUST UNITED AC 2013. [DOI: 10.1016/j.molcata.2013.01.028] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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37
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38
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Liu J, Zhang G. Template-free synthesis and high photocatalytic activity of hierarchical Zn2GeO4microspheres. CrystEngComm 2013. [DOI: 10.1039/c2ce26316e] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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39
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Xu Y, Xu H, Yan J, Li H, Huang L, Zhang Q, Huang C, Wan H. A novel visible-light-response plasmonic photocatalyst CNT/Ag/AgBr and its photocatalytic properties. Phys Chem Chem Phys 2013; 15:5821-30. [DOI: 10.1039/c3cp44104k] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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Chen D, Li T, Chen Q, Gao J, Fan B, Li J, Li X, Zhang R, Sun J, Gao L. Hierarchically plasmonic photocatalysts of Ag/AgCl nanocrystals coupled with single-crystalline WO₃ nanoplates. NANOSCALE 2012; 4:5431-5439. [PMID: 22836730 DOI: 10.1039/c2nr31030a] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The hierarchical photocatalysts of Ag/AgCl@plate-WO₃ have been synthesized by anchoring Ag/AgCl nanocrystals on the surfaces of single-crystalline WO₃ nanoplates that were obtained via an intercalation and topochemical approach. The heterogeneous precipitation process of the PVP-Ag⁺-WO₃ suspensions with a Cl⁻ solution added drop-wise was developed to synthesize AgCl@WO₃ composites, which were then photoreduced to form Ag/AgCl@WO₃ nanostructures in situ. WO₃ nanocrystals with various shapes (i.e., nanoplates, nanorods, and nanoparticles) were used as the substrates to synthesize Ag/AgCl@WO₃ photocatalysts, and the effects of the WO₃ contents and photoreduction times on their visible-light-driven photocatalytic performance were investigated. The techniques of TEM, SEM, XPS, EDS, XRD, N₂ adsorption-desorption and UV-vis DR spectra were used to characterize the compositions, phases and microstructures of the samples. The RhB aqueous solutions were used as the model system to estimate the photocatalytic performance of the as-obtained Ag/AgCl@WO₃ nanostructures under visible light (λ ≥ 420 nm) and sunlight. The results indicated that the hierarchical Ag/AgCl@plate-WO₃ photocatalyst has a higher photodegradation rate than Ag/AgCl, AgCl, AgCl@WO₃ and TiO₂ (P25). The contents and morphologies of the WO₃ substrates in the Ag/AgCl@plate-WO₃ photocatalysts have important effects on their photocatalytic performance. The related mechanisms for the enhancement in visible-light-driven photodegradation of RhB molecules were analyzed.
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Affiliation(s)
- Deliang Chen
- School of Materials Science and Engineering, Zhengzhou University, 100 Science Road, Zhengzhou 450001, P.R. China.
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41
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Subash B, Krishnakumar B, Pandiyan V, Swaminathan M, Shanthi M. An efficient nanostructured Ag2S–ZnO for degradation of Acid Black 1 dye under day light illumination. Sep Purif Technol 2012. [DOI: 10.1016/j.seppur.2012.06.002] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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42
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Cao J, Luo B, Lin H, Xu B, Chen S. Visible light photocatalytic activity enhancement and mechanism of AgBr/Ag3PO4 hybrids for degradation of methyl orange. JOURNAL OF HAZARDOUS MATERIALS 2012; 217-218:107-115. [PMID: 22464754 DOI: 10.1016/j.jhazmat.2012.03.002] [Citation(s) in RCA: 103] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2011] [Revised: 02/28/2012] [Accepted: 03/01/2012] [Indexed: 05/27/2023]
Abstract
Novel AgBr/Ag(3)PO(4) hybrids were synthesized via an in situ anion-exchange method and characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), energy-dispersive spectroscopy (EDS) and UV-vis diffuse reflectance spectroscopy (DRS). Under visible light (λ>420 nm), AgBr/Ag(3)PO(4) degraded methyl orange (MO) efficiently and displayed much higher photocatalytic activity than that of pure AgBr or Ag(3)PO(4). X-ray photoelectron spectroscopy (XPS) suggests that AgBr/Ag(3)PO(4) transformed to be Ag@AgBr/Ag(3)PO(4)@Ag system while remained good photocatalytic activity after 5 times of cycle experiments. In addition, the quenching effects of different scavengers proved that reactive OH and h(+) played the major role for the MO degradation. The photocatalytic activity enhancement of AgBr/Ag(3)PO(4) is closely related to the efficient separation of electron-hole pairs derived from the matching band potentials between AgBr and Ag(3)PO(4), as well as the good electron trapping role of Ag nanoparticles in situ formed on the surfaces of AgBr and Ag(3)PO(4) particles during the photocatalytic reaction.
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Affiliation(s)
- Jing Cao
- College of Chemistry and Materials Science, Huaibei Normal University, Anhui, Huaibei, China.
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43
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Krishnakumar B, Subash B, Swaminathan M. AgBr–ZnO – An efficient nano-photocatalyst for the mineralization of Acid Black 1 with UV light. Sep Purif Technol 2012. [DOI: 10.1016/j.seppur.2011.09.037] [Citation(s) in RCA: 147] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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44
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Cao J, Xu B, Lin H, Luo B, Chen S. Novel heterostructured Bi2S3/BiOI photocatalyst: facile preparation, characterization and visible light photocatalytic performance. Dalton Trans 2012; 41:11482-90. [DOI: 10.1039/c2dt30883e] [Citation(s) in RCA: 267] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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45
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Xu H, Xu Y, Li H, Xia J, Xiong J, Yin S, Huang C, Wan H. Synthesis, characterization and photocatalytic property of AgBr/BiPO4 heterojunction photocatalyst. Dalton Trans 2012; 41:3387-94. [DOI: 10.1039/c2dt11969b] [Citation(s) in RCA: 189] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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